Exploring the Roots of Awareness

Neural Correlates of Consciousness (NCC)

The concept of NCC refers to the minimal set of neuronal events sufficient for a specific conscious experience. Research consistently identifies areas like the posterior parietal cortex (PPC), prefrontal cortex (PFC), and thalamus as playing crucial roles.

Specifically, activity within the PPC is often linked to our sense of self-awareness – where we are in space – while the PFC contributes to higher-order cognitive functions associated with consciousness, such as decision-making and planning.

Integrated Information Theory (IIT)

Developed by Giulio Tononi, IIT proposes that consciousness is fundamentally about integrated information. It posits that any system – biological or artificial – with sufficient ‘integrated information’ possesses a degree of consciousness.

The core idea is measured by phi (Φ), representing the amount of irreducible integrated information within a system. Higher Φ values indicate greater levels of consciousness.

Φ = ∫ f(x) dx  (where f(x) represents the informational content of each element and x represents its possible states)

Global Workspace Theory (GWT)

GWT suggests that consciousness arises when information is broadcast globally across a ‘workspace’ within the brain. This global broadcasting involves widespread neuronal activation.

Initially, sensory information might be processed locally. However, if this information reaches a threshold and is then disseminated to other cortical areas, it becomes consciously accessible – effectively entering the ‘spotlight of consciousness.’

Emergent Properties & Feedback Loops

A key aspect of understanding biological consciousness is recognizing that consciousness isn’t simply a product of individual neurons but emerges from complex, dynamic feedback loops between different brain regions.

These interconnected networks constantly process and refine information, creating a continuous stream of subjective experience. The brain's ability to self-monitor and adapt further contributes to this emergent property.

Frequently asked questions

Try it live

Everything above runs in your browser — open Michaelis-Menten Kinetics and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.